Troubleshooting - Hkoenig KOL7812 Manual De Usuario

TROUBLESHOOTING

Please check the unit and suggestions below before asking for professional service, but never
dismantle or repair the unit by yourself, it may cause harm to you and your property.
If problems not listed in the table occur or recommended solutions do not work, please contact
the professional service organization.
Trouble
The unit fails to
start up
Bad cooling
effects
High noise level
The compressor
does not work
The remote
control does not
work
"E1" code
displays
"E2" code
displays
"E4" code
displays
FL Displays
1. Information on servicing
1) Checks to the area
Prior to beginning work on systems containing flammable refrigerants, safety checks are
necessary to ensure that the risk of ignition is minimized. For repair to the refrigerating system,
the following precautions shall be complied with prior to conducting work on the system.
2) Work procedure
Work shall be undertaken under a controlled procedure so as to minimize the risk of a flammable
gas or vapor being present while the work is being performed.
Cause
Power supply failure
Water-full and its icon lighting Drain the water stored in the unit.
Ambient temperature too low
or low high
The room temperature is
lower than the set
temperature in cooling mode
or higher temperature in
heating mode
There is direct sunlight
The doors and windows are
open, the room is crowded or
there are other heat sources
Dirty filter
Air inlet or air outlet clogged
The unit is being placed at
uneven surface.
Initiation of overheat
protection.
Too long distance
The remote control didn't aim
at signal receptor on unit.
The batteries have no
electricity
Tube temperature sensor
failure
Room temperature sensor
failure
Anti-freeze protection
Water tank in chassis is full
Remedy
Connect the unit to a live socket
and turn it on.
It is recommended to use this unit
between 8-35℃
Change the set temperature
Close the window curtain
Close the door and window, remove
other heat sources, and add new
air-conditioners
Clean or replace the filter mesh
Remove the obstruction
Put the unit at a flat and firm place
(may reduce noise)
Wait until the temperature decrease,
the unit will re-start automatically
Bring the remote control close to
the air-conditioner and ensure airs
at signal receptor on unit.
Replace the batteries
Check the tube temperature sensor
and related circuits
Check the room temperature sensor
and related circuits
Restore the functions automatically
once anti-freeze protection is over.
Drain the condensate and re-start
the unit